./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b45d894549c3d959709f16d175c155effcb8f4008755bf9537dca57ce5b6aecf --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:11:21,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:11:21,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:11:21,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:11:21,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:11:21,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:11:21,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:11:21,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:11:21,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:11:21,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:11:21,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:11:21,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:11:21,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:11:21,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:11:21,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:11:21,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:11:21,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:11:21,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:11:21,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:11:21,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:11:21,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:11:21,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:11:21,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:11:21,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:11:21,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:11:21,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:11:21,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:11:21,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:11:21,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:11:21,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:11:21,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:11:21,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:11:21,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:11:21,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:11:21,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:11:21,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:11:21,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:11:21,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:11:21,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:11:21,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:11:21,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:11:21,825 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:11:21,854 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:11:21,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:11:21,855 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:11:21,855 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:11:21,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:11:21,856 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:11:21,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:11:21,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:11:21,857 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:11:21,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:11:21,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:11:21,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:11:21,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:11:21,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:11:21,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:11:21,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:11:21,859 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:11:21,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:11:21,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:11:21,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:11:21,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:11:21,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:11:21,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:11:21,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:11:21,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:11:21,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:11:21,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:11:21,860 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:11:21,861 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:11:21,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:11:21,861 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:11:21,861 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b45d894549c3d959709f16d175c155effcb8f4008755bf9537dca57ce5b6aecf [2021-12-15 13:11:22,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:11:22,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:11:22,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:11:22,087 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:11:22,087 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:11:22,088 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i [2021-12-15 13:11:22,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0ce75d40/380e8f54d4c240338c4ae42cd7d9ef05/FLAGc47c17c9a [2021-12-15 13:11:22,786 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:11:22,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i [2021-12-15 13:11:22,830 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0ce75d40/380e8f54d4c240338c4ae42cd7d9ef05/FLAGc47c17c9a [2021-12-15 13:11:23,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0ce75d40/380e8f54d4c240338c4ae42cd7d9ef05 [2021-12-15 13:11:23,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:11:23,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:11:23,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:11:23,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:11:23,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:11:23,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:11:23" (1/1) ... [2021-12-15 13:11:23,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6cd2e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:23, skipping insertion in model container [2021-12-15 13:11:23,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:11:23" (1/1) ... [2021-12-15 13:11:23,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:11:23,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:11:26,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i[237426,237439] [2021-12-15 13:11:26,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:11:26,191 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:11:26,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i[237426,237439] [2021-12-15 13:11:26,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:11:26,631 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:11:26,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:26 WrapperNode [2021-12-15 13:11:26,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:11:26,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:11:26,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:11:26,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:11:26,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:26" (1/1) ... [2021-12-15 13:11:26,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:26" (1/1) ... [2021-12-15 13:11:26,827 INFO L137 Inliner]: procedures = 311, calls = 2050, calls flagged for inlining = 159, calls inlined = 157, statements flattened = 5633 [2021-12-15 13:11:26,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:11:26,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:11:26,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:11:26,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:11:26,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:26" (1/1) ... [2021-12-15 13:11:26,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:26" (1/1) ... [2021-12-15 13:11:26,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:26" (1/1) ... [2021-12-15 13:11:26,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:26" (1/1) ... [2021-12-15 13:11:27,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:26" (1/1) ... [2021-12-15 13:11:27,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:26" (1/1) ... [2021-12-15 13:11:27,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:26" (1/1) ... [2021-12-15 13:11:27,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:11:27,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:11:27,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:11:27,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:11:27,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:26" (1/1) ... [2021-12-15 13:11:27,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:11:27,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:11:27,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:11:27,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:11:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-12-15 13:11:27,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-12-15 13:11:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure loop_add [2021-12-15 13:11:27,398 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_add [2021-12-15 13:11:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:11:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:11:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:11:27,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:11:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure iov_iter_bvec [2021-12-15 13:11:27,399 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_iter_bvec [2021-12-15 13:11:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:11:27,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:11:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2021-12-15 13:11:27,399 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2021-12-15 13:11:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure loop_control_ioctl [2021-12-15 13:11:27,400 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_control_ioctl [2021-12-15 13:11:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-15 13:11:27,400 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-15 13:11:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 13:11:27,400 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 13:11:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:11:27,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:11:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2021-12-15 13:11:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2021-12-15 13:11:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-15 13:11:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-15 13:11:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure loop_remove [2021-12-15 13:11:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_remove [2021-12-15 13:11:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2021-12-15 13:11:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2021-12-15 13:11:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:11:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:11:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:11:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:11:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2021-12-15 13:11:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2021-12-15 13:11:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2021-12-15 13:11:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2021-12-15 13:11:27,403 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_unfreeze_queue [2021-12-15 13:11:27,403 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_unfreeze_queue [2021-12-15 13:11:27,403 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-12-15 13:11:27,403 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-12-15 13:11:27,403 INFO L130 BoogieDeclarations]: Found specification of procedure lo_compat_ioctl [2021-12-15 13:11:27,403 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_compat_ioctl [2021-12-15 13:11:27,404 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-12-15 13:11:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-12-15 13:11:27,404 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-15 13:11:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-15 13:11:27,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:11:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:11:27,404 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:11:27,405 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:11:27,405 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-12-15 13:11:27,405 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-12-15 13:11:27,405 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2021-12-15 13:11:27,405 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2021-12-15 13:11:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure loop_handle_cmd [2021-12-15 13:11:27,406 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_handle_cmd [2021-12-15 13:11:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2021-12-15 13:11:27,407 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2021-12-15 13:11:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:11:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 13:11:27,407 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 13:11:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2021-12-15 13:11:27,408 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2021-12-15 13:11:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure get_size [2021-12-15 13:11:27,408 INFO L138 BoogieDeclarations]: Found implementation of procedure get_size [2021-12-15 13:11:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2021-12-15 13:11:27,408 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2021-12-15 13:11:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-15 13:11:27,408 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-15 13:11:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:11:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-15 13:11:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2021-12-15 13:11:27,409 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2021-12-15 13:11:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-12-15 13:11:27,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-12-15 13:11:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure lo_write_bvec [2021-12-15 13:11:27,410 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_write_bvec [2021-12-15 13:11:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:11:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:11:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-15 13:11:27,410 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-15 13:11:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-15 13:11:27,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-15 13:11:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-15 13:11:27,411 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-15 13:11:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status_old [2021-12-15 13:11:27,411 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status_old [2021-12-15 13:11:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-12-15 13:11:27,412 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-12-15 13:11:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 13:11:27,412 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 13:11:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-15 13:11:27,412 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-15 13:11:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure loop_reread_partitions [2021-12-15 13:11:27,413 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_reread_partitions [2021-12-15 13:11:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2021-12-15 13:11:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2021-12-15 13:11:27,413 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2021-12-15 13:11:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_iter_read [2021-12-15 13:11:27,414 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_iter_read [2021-12-15 13:11:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure idr_for_each [2021-12-15 13:11:27,414 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_for_each [2021-12-15 13:11:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:11:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2021-12-15 13:11:27,414 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2021-12-15 13:11:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure ___might_sleep [2021-12-15 13:11:27,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ___might_sleep [2021-12-15 13:11:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-12-15 13:11:27,415 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-12-15 13:11:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-15 13:11:27,415 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-15 13:11:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:11:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure bio_advance_iter [2021-12-15 13:11:27,416 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_advance_iter [2021-12-15 13:11:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure loop_queue_write_work [2021-12-15 13:11:27,416 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_queue_write_work [2021-12-15 13:11:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2021-12-15 13:11:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2021-12-15 13:11:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:11:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2021-12-15 13:11:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2021-12-15 13:11:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2021-12-15 13:11:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2021-12-15 13:11:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2021-12-15 13:11:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2021-12-15 13:11:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status64 [2021-12-15 13:11:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status64 [2021-12-15 13:11:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:11:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:11:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_11 [2021-12-15 13:11:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_11 [2021-12-15 13:11:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure zero_fill_bio [2021-12-15 13:11:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_fill_bio [2021-12-15 13:11:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:11:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:11:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_show [2021-12-15 13:11:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_show [2021-12-15 13:11:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:11:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 13:11:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 13:11:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:11:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:11:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-15 13:11:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-15 13:11:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-15 13:11:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-15 13:11:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_freeze_queue [2021-12-15 13:11:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_freeze_queue [2021-12-15 13:11:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:11:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:11:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:11:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-15 13:11:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-15 13:11:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 13:11:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 13:11:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:11:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2021-12-15 13:11:27,429 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2021-12-15 13:11:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:11:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2021-12-15 13:11:27,429 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2021-12-15 13:11:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2021-12-15 13:11:27,429 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2021-12-15 13:11:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:11:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2021-12-15 13:11:27,429 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2021-12-15 13:11:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-15 13:11:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-15 13:11:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-15 13:11:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-15 13:11:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2021-12-15 13:11:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2021-12-15 13:11:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2021-12-15 13:11:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2021-12-15 13:11:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-12-15 13:11:27,431 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-12-15 13:11:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:11:27,431 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:11:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2021-12-15 13:11:27,431 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2021-12-15 13:11:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2021-12-15 13:11:27,431 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2021-12-15 13:11:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure loop_queue_read_work [2021-12-15 13:11:27,431 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_queue_read_work [2021-12-15 13:11:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2021-12-15 13:11:27,432 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2021-12-15 13:11:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-15 13:11:27,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-15 13:11:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2021-12-15 13:11:27,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2021-12-15 13:11:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-12-15 13:11:27,432 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-12-15 13:11:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 13:11:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 13:11:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2021-12-15 13:11:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2021-12-15 13:11:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:11:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-15 13:11:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-15 13:11:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:11:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:11:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure loop_lookup [2021-12-15 13:11:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_lookup [2021-12-15 13:11:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure loop_queue_rq [2021-12-15 13:11:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_queue_rq [2021-12-15 13:11:28,081 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:11:28,085 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:11:28,506 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:11:28,515 INFO L158 Benchmark]: Toolchain (without parser) took 5358.65ms. Allocated memory was 134.2MB in the beginning and 289.4MB in the end (delta: 155.2MB). Free memory was 100.1MB in the beginning and 130.3MB in the end (delta: -30.3MB). Peak memory consumption was 124.7MB. Max. memory is 16.1GB. [2021-12-15 13:11:28,517 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 134.2MB. Free memory was 90.7MB in the beginning and 90.6MB in the end (delta: 70.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:11:28,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3471.17ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 100.1MB in the beginning and 104.2MB in the end (delta: -4.2MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. [2021-12-15 13:11:28,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 193.70ms. Allocated memory is still 182.5MB. Free memory was 104.2MB in the beginning and 72.8MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-15 13:11:28,522 INFO L158 Benchmark]: Boogie Preprocessor took 447.45ms. Allocated memory was 182.5MB in the beginning and 289.4MB in the end (delta: 107.0MB). Free memory was 72.8MB in the beginning and 193.3MB in the end (delta: -120.5MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2021-12-15 13:11:28,523 INFO L158 Benchmark]: RCFGBuilder took 1221.50ms. Allocated memory is still 289.4MB. Free memory was 193.3MB in the beginning and 130.3MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2021-12-15 13:11:28,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 134.2MB. Free memory was 90.7MB in the beginning and 90.6MB in the end (delta: 70.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3471.17ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 100.1MB in the beginning and 104.2MB in the end (delta: -4.2MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 193.70ms. Allocated memory is still 182.5MB. Free memory was 104.2MB in the beginning and 72.8MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 447.45ms. Allocated memory was 182.5MB in the beginning and 289.4MB in the end (delta: 107.0MB). Free memory was 72.8MB in the beginning and 193.3MB in the end (delta: -120.5MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1221.50ms. Allocated memory is still 289.4MB. Free memory was 193.3MB in the beginning and 130.3MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:11:28,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b45d894549c3d959709f16d175c155effcb8f4008755bf9537dca57ce5b6aecf --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:11:31,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:11:31,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:11:31,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:11:31,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:11:31,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:11:31,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:11:31,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:11:31,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:11:31,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:11:31,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:11:31,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:11:31,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:11:31,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:11:31,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:11:31,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:11:31,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:11:31,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:11:31,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:11:31,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:11:31,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:11:31,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:11:31,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:11:31,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:11:31,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:11:31,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:11:31,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:11:31,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:11:31,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:11:31,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:11:31,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:11:31,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:11:31,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:11:31,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:11:31,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:11:31,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:11:31,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:11:31,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:11:31,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:11:31,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:11:31,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:11:31,765 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:11:31,791 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:11:31,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:11:31,793 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:11:31,793 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:11:31,794 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:11:31,794 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:11:31,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:11:31,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:11:31,796 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:11:31,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:11:31,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:11:31,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:11:31,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:11:31,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:11:31,797 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:11:31,797 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:11:31,798 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:11:31,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:11:31,798 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:11:31,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:11:31,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:11:31,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:11:31,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:11:31,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:11:31,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:11:31,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:11:31,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:11:31,799 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:11:31,799 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:11:31,799 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:11:31,800 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:11:31,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:11:31,800 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:11:31,800 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:11:31,800 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b45d894549c3d959709f16d175c155effcb8f4008755bf9537dca57ce5b6aecf [2021-12-15 13:11:32,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:11:32,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:11:32,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:11:32,222 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:11:32,222 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:11:32,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i [2021-12-15 13:11:32,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cecddb733/c5218159b68842768edc497e12a32427/FLAG4598ee1a4 [2021-12-15 13:11:33,309 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:11:33,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i [2021-12-15 13:11:33,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cecddb733/c5218159b68842768edc497e12a32427/FLAG4598ee1a4 [2021-12-15 13:11:33,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cecddb733/c5218159b68842768edc497e12a32427 [2021-12-15 13:11:33,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:11:33,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:11:33,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:11:33,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:11:33,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:11:33,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:11:33" (1/1) ... [2021-12-15 13:11:33,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8b6965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:33, skipping insertion in model container [2021-12-15 13:11:33,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:11:33" (1/1) ... [2021-12-15 13:11:33,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:11:33,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:11:35,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i[237426,237439] [2021-12-15 13:11:35,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:11:36,010 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:11:36,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:11:36,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i[237426,237439] [2021-12-15 13:11:36,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:11:36,594 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:11:36,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i[237426,237439] [2021-12-15 13:11:36,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:11:37,004 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:11:37,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:37 WrapperNode [2021-12-15 13:11:37,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:11:37,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:11:37,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:11:37,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:11:37,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:37" (1/1) ... [2021-12-15 13:11:37,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:37" (1/1) ... [2021-12-15 13:11:37,356 INFO L137 Inliner]: procedures = 327, calls = 2049, calls flagged for inlining = 161, calls inlined = 159, statements flattened = 5466 [2021-12-15 13:11:37,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:11:37,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:11:37,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:11:37,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:11:37,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:37" (1/1) ... [2021-12-15 13:11:37,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:37" (1/1) ... [2021-12-15 13:11:37,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:37" (1/1) ... [2021-12-15 13:11:37,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:37" (1/1) ... [2021-12-15 13:11:37,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:37" (1/1) ... [2021-12-15 13:11:37,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:37" (1/1) ... [2021-12-15 13:11:37,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:37" (1/1) ... [2021-12-15 13:11:37,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:11:37,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:11:37,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:11:37,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:11:37,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:37" (1/1) ... [2021-12-15 13:11:37,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:11:37,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:11:37,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:11:37,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:11:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:11:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-12-15 13:11:37,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-12-15 13:11:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:11:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure loop_add [2021-12-15 13:11:37,668 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_add [2021-12-15 13:11:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:11:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:11:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:11:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:11:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:11:37,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:11:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure iov_iter_bvec [2021-12-15 13:11:37,669 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_iter_bvec [2021-12-15 13:11:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:11:37,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:11:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2021-12-15 13:11:37,669 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2021-12-15 13:11:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure loop_control_ioctl [2021-12-15 13:11:37,669 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_control_ioctl [2021-12-15 13:11:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-15 13:11:37,669 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-15 13:11:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 13:11:37,669 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 13:11:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:11:37,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:11:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2021-12-15 13:11:37,669 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2021-12-15 13:11:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-15 13:11:37,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-15 13:11:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure loop_remove [2021-12-15 13:11:37,670 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_remove [2021-12-15 13:11:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2021-12-15 13:11:37,670 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2021-12-15 13:11:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:11:37,670 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:11:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:11:37,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:11:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2021-12-15 13:11:37,670 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2021-12-15 13:11:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2021-12-15 13:11:37,670 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2021-12-15 13:11:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_unfreeze_queue [2021-12-15 13:11:37,670 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_unfreeze_queue [2021-12-15 13:11:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-12-15 13:11:37,671 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-12-15 13:11:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure lo_compat_ioctl [2021-12-15 13:11:37,671 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_compat_ioctl [2021-12-15 13:11:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-12-15 13:11:37,671 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-12-15 13:11:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-15 13:11:37,671 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-15 13:11:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:11:37,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:11:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:11:37,671 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:11:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-12-15 13:11:37,671 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-12-15 13:11:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2021-12-15 13:11:37,671 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2021-12-15 13:11:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure loop_handle_cmd [2021-12-15 13:11:37,671 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_handle_cmd [2021-12-15 13:11:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2021-12-15 13:11:37,671 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2021-12-15 13:11:37,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:11:37,672 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 13:11:37,672 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 13:11:37,672 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2021-12-15 13:11:37,672 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2021-12-15 13:11:37,672 INFO L130 BoogieDeclarations]: Found specification of procedure get_size [2021-12-15 13:11:37,672 INFO L138 BoogieDeclarations]: Found implementation of procedure get_size [2021-12-15 13:11:37,672 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2021-12-15 13:11:37,672 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2021-12-15 13:11:37,672 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-15 13:11:37,672 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-15 13:11:37,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:11:37,672 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-15 13:11:37,672 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2021-12-15 13:11:37,672 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2021-12-15 13:11:37,672 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-12-15 13:11:37,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-12-15 13:11:37,672 INFO L130 BoogieDeclarations]: Found specification of procedure lo_write_bvec [2021-12-15 13:11:37,672 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_write_bvec [2021-12-15 13:11:37,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:11:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:11:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:11:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:11:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:11:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:11:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:11:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:11:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-15 13:11:37,673 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-15 13:11:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:11:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:11:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-15 13:11:37,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-15 13:11:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-15 13:11:37,673 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-15 13:11:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status_old [2021-12-15 13:11:37,673 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status_old [2021-12-15 13:11:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-12-15 13:11:37,673 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-12-15 13:11:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 13:11:37,674 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 13:11:37,674 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-15 13:11:37,674 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-15 13:11:37,674 INFO L130 BoogieDeclarations]: Found specification of procedure loop_reread_partitions [2021-12-15 13:11:37,674 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_reread_partitions [2021-12-15 13:11:37,674 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2021-12-15 13:11:37,674 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2021-12-15 13:11:37,674 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2021-12-15 13:11:37,674 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_iter_read [2021-12-15 13:11:37,674 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_iter_read [2021-12-15 13:11:37,674 INFO L130 BoogieDeclarations]: Found specification of procedure idr_for_each [2021-12-15 13:11:37,674 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_for_each [2021-12-15 13:11:37,674 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2021-12-15 13:11:37,674 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2021-12-15 13:11:37,674 INFO L130 BoogieDeclarations]: Found specification of procedure ___might_sleep [2021-12-15 13:11:37,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ___might_sleep [2021-12-15 13:11:37,674 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-12-15 13:11:37,674 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-12-15 13:11:37,675 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-15 13:11:37,675 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-15 13:11:37,675 INFO L130 BoogieDeclarations]: Found specification of procedure bio_advance_iter [2021-12-15 13:11:37,675 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_advance_iter [2021-12-15 13:11:37,675 INFO L130 BoogieDeclarations]: Found specification of procedure loop_queue_write_work [2021-12-15 13:11:37,675 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_queue_write_work [2021-12-15 13:11:37,675 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2021-12-15 13:11:37,675 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2021-12-15 13:11:37,675 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2021-12-15 13:11:37,675 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2021-12-15 13:11:37,675 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2021-12-15 13:11:37,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2021-12-15 13:11:37,675 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2021-12-15 13:11:37,675 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2021-12-15 13:11:37,675 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status64 [2021-12-15 13:11:37,675 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status64 [2021-12-15 13:11:37,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:11:37,675 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:11:37,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_11 [2021-12-15 13:11:37,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_11 [2021-12-15 13:11:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure zero_fill_bio [2021-12-15 13:11:37,676 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_fill_bio [2021-12-15 13:11:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:11:37,676 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:11:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_show [2021-12-15 13:11:37,676 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_show [2021-12-15 13:11:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 13:11:37,676 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 13:11:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:11:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:11:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:11:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:11:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:11:37,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:11:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-15 13:11:37,676 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-15 13:11:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-15 13:11:37,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-15 13:11:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_freeze_queue [2021-12-15 13:11:37,676 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_freeze_queue [2021-12-15 13:11:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:11:37,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:11:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:11:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-15 13:11:37,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-15 13:11:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 13:11:37,677 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 13:11:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:11:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2021-12-15 13:11:37,677 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2021-12-15 13:11:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:11:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2021-12-15 13:11:37,677 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2021-12-15 13:11:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2021-12-15 13:11:37,677 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2021-12-15 13:11:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:11:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:11:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2021-12-15 13:11:37,677 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2021-12-15 13:11:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:11:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:11:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-15 13:11:37,677 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-15 13:11:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-15 13:11:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-15 13:11:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2021-12-15 13:11:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2021-12-15 13:11:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2021-12-15 13:11:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2021-12-15 13:11:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-12-15 13:11:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-12-15 13:11:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:11:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:11:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2021-12-15 13:11:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2021-12-15 13:11:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2021-12-15 13:11:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2021-12-15 13:11:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure loop_queue_read_work [2021-12-15 13:11:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_queue_read_work [2021-12-15 13:11:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2021-12-15 13:11:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2021-12-15 13:11:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-15 13:11:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-15 13:11:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2021-12-15 13:11:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2021-12-15 13:11:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-12-15 13:11:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-12-15 13:11:37,679 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2021-12-15 13:11:37,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2021-12-15 13:11:37,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:11:37,679 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-15 13:11:37,679 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-15 13:11:37,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:11:37,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:11:37,679 INFO L130 BoogieDeclarations]: Found specification of procedure loop_lookup [2021-12-15 13:11:37,679 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_lookup [2021-12-15 13:11:37,679 INFO L130 BoogieDeclarations]: Found specification of procedure loop_queue_rq [2021-12-15 13:11:37,679 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_queue_rq [2021-12-15 13:11:38,516 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:11:38,519 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:11:45,759 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:11:45,762 INFO L158 Benchmark]: Toolchain (without parser) took 12345.54ms. Allocated memory was 54.5MB in the beginning and 224.4MB in the end (delta: 169.9MB). Free memory was 28.3MB in the beginning and 126.7MB in the end (delta: -98.4MB). Peak memory consumption was 149.0MB. Max. memory is 16.1GB. [2021-12-15 13:11:45,762 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 44.0MB. Free memory was 26.4MB in the beginning and 26.3MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:11:45,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3585.23ms. Allocated memory was 54.5MB in the beginning and 224.4MB in the end (delta: 169.9MB). Free memory was 28.1MB in the beginning and 137.7MB in the end (delta: -109.6MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2021-12-15 13:11:45,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 351.53ms. Allocated memory is still 224.4MB. Free memory was 137.7MB in the beginning and 108.4MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-12-15 13:11:45,767 INFO L158 Benchmark]: Boogie Preprocessor took 251.34ms. Allocated memory is still 224.4MB. Free memory was 108.4MB in the beginning and 131.0MB in the end (delta: -22.7MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2021-12-15 13:11:45,768 INFO L158 Benchmark]: RCFGBuilder took 8150.79ms. Allocated memory is still 224.4MB. Free memory was 131.0MB in the beginning and 126.7MB in the end (delta: 4.3MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2021-12-15 13:11:45,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 44.0MB. Free memory was 26.4MB in the beginning and 26.3MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3585.23ms. Allocated memory was 54.5MB in the beginning and 224.4MB in the end (delta: 169.9MB). Free memory was 28.1MB in the beginning and 137.7MB in the end (delta: -109.6MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 351.53ms. Allocated memory is still 224.4MB. Free memory was 137.7MB in the beginning and 108.4MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 251.34ms. Allocated memory is still 224.4MB. Free memory was 108.4MB in the beginning and 131.0MB in the end (delta: -22.7MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * RCFGBuilder took 8150.79ms. Allocated memory is still 224.4MB. Free memory was 131.0MB in the beginning and 126.7MB in the end (delta: 4.3MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:11:45,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable